APA Style
      Ahmed, K. et al (2015).
    Protein Kinase CK2 Cellular Function in Normal and Disease States (12).
    Minneapolis, USA:
  Springer International Publishing.
  
MLA Style
      Ahmed, Khalil. et al.
    "Protein Kinase CK2 Cellular Function in Normal and Disease States".
    12
    Minneapolis, USA:
  Springer International Publishing,
  2015.
  Text.